Headset



FIG. 1 is a front perspective view of a headset;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an exploded front perspective view with a shield portion removed;

FIG. 9 is an expanded front perspective view of the shield portion of the headset of FIG. 1;

FIG. 10 is an expanded front view thereof;

FIG. 11 is an expanded back view thereof;

FIG. 12 is an expanded right-side view thereof;

FIG. 13 is an expanded left-side view thereof;

FIG. 14 is an expanded top view thereof; and,

FIG. 15 is an expanded bottom view thereof.

The broken lines depict portions of the headset that form no part of the claimed design. 

CLAIM The ornamental design for a headset, as shown and described. 